Question No: 9

Which one of the following choices will replace all occurrences of the word perl with the word Perl?

A. s/Perl/perl/I;

B. s/"perl"/"Perl"/g;

C. s/"perl"/"Perl"/;

D. s/perl/Perl/g;

Question No: 10

Consider the following program code:

$var = 10; package Alpha;

$var = 20;

{

package Beta;

$var = 30;

}

package Gamma;

$var = 40;

{

print $var;

}

What is the output of this code?

A. 10

B. 20

C. 30

D. 40

Question No: 11

In the context of Perl user-defined subroutines, which statement is the most accurate?

A. Variables declared using the my keyword are global in scope.

B. Variables declared using the local keyword are only available to the subroutine from which they are declared.

C. Variables declared using the my keyword are available to the calling subroutine.

D. Variable declared using the local keyword are available to subsequently called subroutines.

Question No: 12

Consider the following program code:

1.$x = 100;

2.$y = "-25";

3.$sum = $x + $y; 4.

5.print $sum;

What is the result of executing this program code?

A. The code will output the following: 100-25

B. The code will output the following: 75

C. The code will fail at line 3 because $y contains string data.

D. The code will output the following: 125

Question No: 13

Consider the following program code:

$i = 15;

LOOP: for(; $i < 25; $i++)

{

if ($i % 2)

{

next LOOP;

}

print($i );

}

What is the result of executing this program code?

A. The code will output the following: 15 2 4 6 8 10 12 14 16 18 20 22 24

B. The code will output the following: 15 17 19 21 23 25

C. The code will fail at line 2 because $i is not initialized.

D. The code will output the following: 16 18 20 22 24

Question No: 14

Which one of the following statements uses correct syntax and expressions?

A. do (print "Hello $a") until ($a = 10);

B. do {$a++} until {$a == $b}\;

C. do {$in = $in++} while ($in < 100);

D. do ($a++) until ($b = $a);

Question No: 15

Which one of the following choices will replace all occurrences of the word perl with the word Perl?

A. s/Perl/perl/I;

B. s/"perl"/"Perl"/g;

C. s/"perl"/"Perl"/;

D. s/perl/Perl/g;

Question No: 16

Consider the following command: perl runme.pl arg1 arg2 arg3

Given this command issued on the command line, what is the value of @ARGV?

A. arg1

B. runme.pl

C. arg1 arg2 arg3

D. 2